Effect of solution treatment on the microstructure, tensile properties, and corrosion behavior of the Mg–5Sn–2Zn–0.1Mn alloy

Mahallawy, Nahed El; Hammouda, Rawia M.; Shoeib, Madiha A.; Diaa, A. Ahmed

doi:10.1088/2053-1591/aaa349

Cited by 11 publications

(2 citation statements)

References 12 publications

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“…Alloying various elements in the Mg alloy anode is one of the effective methods to improve self-corrosion and discharge performance. ,− The solid-solution treatment has been demonstrated as an effective method to improve the toughness and corrosion resistance of alloys − because the excess secondary phases are fully dissolved in the matrix to obtain the oversaturated solid solution through this process. The corrosion mechanisms of pure Mg and solid-solution-treated Mg alloys were well studied in air and aqueous solution. ,− The solution treatment enhances more than 60% of corrosion resistance compared with the as-cast alloys as a result of uniform distribution of cathodic (intermetallics) and anodic (α-Mg) phases or the dissolved second phase in the Mg alloys . Nevertheless, very few studies have studied the discharge mechanism of pure Mg and solution treatment of Mg alloy as the anodes for Mg–air batteries.…”

Section: Introductionmentioning

confidence: 99%

Discharge Behavior and Mechanism of Solid-Solution-Treated Alloy Anodes for Magnesium–Air Batteries

Tong

Chen

Wang

et al. 2022

ACS Appl. Energy Mater.

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This work studies the properties of magnesium (Mg) alloy−air batteries with solution-treated alloys. Both Zn and Sn are eco-friendly elements with high solubilities in Mg. The effect of solid-solution Zn and Sn on Mg alloys has been studied as the anode material in Mg−air batteries. The preferred corrosion orientation extending along the (0001) basal plane has been found in pure Mg and Mg alloy anodes. Alloying Sn and Zn can alleviate the preferred corrosion during discharge. The main discharge product is Mg(OH) 2 , containing two kinds of structures�the microsized products close to the anode have a high content of ZnO/Zn(OH) 2 and SnO 1−2 oxide and the nanosized products close to the cathode. Solution-treated Mg−2 wt % Zn−3 wt % Sn alloy anodes have outstanding battery performance with a high energy density of 1594 mWh g −1 at 5 mA cm −2 , an anodic efficiency of 60.35%, and a specific density of 1291 mAh g −1 at 10 mA cm −2 .

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Section: Introductionmentioning

confidence: 99%

Discharge Behavior and Mechanism of Solid-Solution-Treated Alloy Anodes for Magnesium–Air Batteries

Tong

Chen

Wang

et al. 2022

ACS Appl. Energy Mater.

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“…After the fracture has healed, the bone implant needs to be removed again, causing secondary damage to the patient. Magnesium alloys have many outstanding features, such as light weight, low density, high specific strength, easy processing, excellent biocompatibility, and degradability, showing great potential for applications in the biomedical field [3][4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Effect of melting method on the bio-corrosion resistance of Mg₆₇Zn₂₈Ca₅ cast magnesium alloy in simulated body fluid

Wang

Ding

et al. 2020

Mater. Res. Express

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In recent years, biodegradable magnesium alloys have attracted considerable attention in medical devices, such as permanent implants and stents. However, poor corrosion resistance is a major problem limiting the practical application of magnesium alloys. In this study, Mg 67 Zn 28 Ca 5 alloys were prepared via two different methods, namely, vacuum induction melting and ulfur hexafluoride shielded melting. The effect of melting method on the bio-corrosion resistance of MgZnCa cast magnesium alloy was also studied. The microstructure and phase composition of Mg 67 Zn 28 Ca 5 alloys were investigated by optical microscopy and X-ray diffraction. The element distribution and surface morphology of Mg 67 Zn 28 Ca 5 alloys were examined by scanning electron microscopy and energydispersive spectroscopy. The corrosion resistance of Mg 67 Zn 28 Ca 5 alloys was measured via electrochemical and immersion tests. Results showed uniform composition of the Mg 67 Zn 28 Ca 5 alloy melted by vacuum induction. Immersed in the simulated body fluid, the corrosion rate of Mg 67 Zn 28 Ca 5 by vacuum induction melting (0.2618 mm/a) was lower than that by ulfur hexafluoride shielded melting (0.9686 mm/a); the corrosion potential of Mg 67 Zn 28 Ca 5 melted by vacuum induction (−1313 mV) was nobler than that by ulfur hexafluoride shielded melting (−1483 mV); the corrosion current of Mg 67 Zn 28 Ca 5 by vacuum induction melting (1.202×10 −5 A) was lower than that by ulfur hexafluoride shielded melting (4.332×10 −5 A). The Mg 67 Zn 28 Ca 5 by vacuum induction melting showed uniform corrosion behavior.

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Effects of Ce Addition on Mechanical and Corrosion Properties of the As-Extruded Mg-Zn-Ca Alloy

Liu

2020

J. of Materi Eng and Perform

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Effect of solution treatment on the microstructure, tensile properties, and corrosion behavior of the Mg–5Sn–2Zn–0.1Mn alloy

Cited by 11 publications

References 12 publications

Discharge Behavior and Mechanism of Solid-Solution-Treated Alloy Anodes for Magnesium–Air Batteries

Discharge Behavior and Mechanism of Solid-Solution-Treated Alloy Anodes for Magnesium–Air Batteries

Effect of melting method on the bio-corrosion resistance of Mg₆₇Zn₂₈Ca₅ cast magnesium alloy in simulated body fluid

Effects of Ce Addition on Mechanical and Corrosion Properties of the As-Extruded Mg-Zn-Ca Alloy

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Effect of solution treatment on the microstructure, tensile properties, and corrosion behavior of the Mg–5Sn–2Zn–0.1Mn alloy

Cited by 11 publications

References 12 publications

Discharge Behavior and Mechanism of Solid-Solution-Treated Alloy Anodes for Magnesium–Air Batteries

Discharge Behavior and Mechanism of Solid-Solution-Treated Alloy Anodes for Magnesium–Air Batteries

Effect of melting method on the bio-corrosion resistance of Mg67Zn28Ca5 cast magnesium alloy in simulated body fluid

Effects of Ce Addition on Mechanical and Corrosion Properties of the As-Extruded Mg-Zn-Ca Alloy

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Effect of melting method on the bio-corrosion resistance of Mg₆₇Zn₂₈Ca₅ cast magnesium alloy in simulated body fluid